Chess tactic

Crushing Puzzle (1977)

After the setup move Nf6, it is Black to move. Find the forcing continuation before checking the solution.

Position after Nf6. Black to move.

Puzzle ID

05DkU

Rating

1977

Side to move

Black

Themes

Crushing, Endgame

Material

White is ahead by 1 point

FEN

7k/p4pr1/1p3N2/3P4/4P2n/5p1q/PP3Q1P/6RK b - - 5 40

What to look for

Find a move that decisively changes the evaluation, usually by force.

40... Rg2 41. Qxh4+ 41... Qxh4

The full forcing line from the source position is:

40. Nf6 40... Rg2 41. Qxh4+ 41... Qxh4